Research Scientist (LLM) - 2026 Start (PhD)

ByteDance
San Jose
Full timeFunction: Data Science & Machine LearningEducation: phdSkills: ["Problem-solving","Communication","Collaboration"]

Join the LLM research team to advance next-generation large language models across pretraining, posttraining, inference, memory, learning, and interpretability. You’ll explore and optimize large-scale systems, build data and training pipelines (instruction tuning, preference alignment), and improve capabilities such as reasoning, code, and math. Ideal for PhD graduates who can drive research from concept through results and communicate effectively with the team.

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ByteDance
ByteDance
2 days ago

Research Scientist (LLM) - 2026 Start (PhD)

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Last checked: 14 hours agoStatus: Live

Job Summary

Join the LLM research team to advance next-generation large language models across pretraining, posttraining, inference, memory, learning, and interpretability. You’ll explore and optimize large-scale systems, build data and training pipelines (instruction tuning, preference alignment), and improve capabilities such as reasoning, code, and math. Ideal for PhD graduates who can drive research from concept through results and communicate effectively with the team.
Location: San Jose
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Graduate level

Key Responsibilities

  • •Explore large-scale models and optimize systems.
  • •Construct data and perform instruction tuning, preference alignment, and model optimization.
  • •Improve model capabilities such as reasoning, code, and math.
  • •Research and explore future use cases for LLMs.

Key Requirements

  • •Completing or recently completed a PhD in Computer Science, Electrical Engineering, Electrical and Computer Engineering, Physics, Mathematics, or a related discipline.
  • •Excellent coding ability with data structures and fundamental algorithms, proficient in C/C++ or Python.
  • •Experience with large-scale model training, deep learning, and machine learning algorithms is preferred.
  • •Demonstrated ability to deeply analyze and solve problems in large-scale model training and application.
  • •Good communication and collaboration skills to explore new technologies with the team.
Experience:Deep learningMachine learningLarge-scale models
Education:PhD / Doctorate
Skills:Problem-solvingCommunicationCollaboration
Tech Stack:C/C++PythonDeep learningMachine learningLarge-scale model training

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

ByteDance
Develops consumer internet and content platforms, including TikTok and other apps for short-form video, news, and entertainment. It also builds advertising, commerce, and creator tools that connect audiences, brands, and publishers across global markets.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Headquarters: Beijing, China
Founded: 2012
WebsiteLinkedIn